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//
//   http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.doris.planner;

import org.apache.doris.common.IdGenerator;
import org.apache.doris.nereids.CascadesContext;
import org.apache.doris.nereids.load.NereidsLoadUtils;
import org.apache.doris.nereids.trees.expressions.ExprId;
import org.apache.doris.nereids.trees.expressions.Expression;
import org.apache.doris.nereids.trees.expressions.StatementScopeIdGenerator;

import org.junit.Assert;
import org.junit.Test;

import java.util.List;

public class StreamLoadPlannerTest {
    @Test
    public void testParseStmt() throws Exception {
        String sql = new String("k1, k2, k3=abc(), k4=default_value()");
        List<Expression> expressions = NereidsLoadUtils.parseExpressionSeq(sql);
        Assert.assertEquals(4, expressions.size());
    }

    @Test
    public void testExprIdGenerator() {
        IdGenerator<ExprId> exprIdGenerator1 = StatementScopeIdGenerator.getExprIdGenerator();
        CascadesContext context = CascadesContext.initTempContext();
        IdGenerator<ExprId> exprIdGenerator2 = context.getStatementContext().getExprIdGenerator();
        // we get different IdGenerator instance
        Assert.assertTrue(exprIdGenerator1 != exprIdGenerator2);
    }
}
